• "A global transcriptional regulator in Thermococcus kodakaraensis controls the expression levels of both glycolytic and gluconeogenic enzyme-encoding genes", T. Kanai, J. Akerboom, S. Takedomi, H.J.G. van de Werken, F. Blombach, J. van der Oost, T. Murakami, H. Atomi, and T. Imanaka, J. Biol. Chem., in press [JBC online]
  
• "Effective approaches for the production of heterologous proteins using the Thermococcus kodakaraensis-based translation system", T. Endoh, T. Kanai, and T. Imanaka, J. Biotechnol., in press
• "Crystallization and preliminary X-ray crystallographic study of [NiFe]-hydrogenase maturation factor HypE from Thermococcus kodakaraensis KOD1", T. Arai, S. Watanabe, R. Matsumi, H. Atomi,T. Imanaka, and K. Miki, Acta Crystallogrhaph. Sect. F., 63(Pt 9):765-767 (2007) [PubMed]
  
• "Engineering of a Type III Rubisco from a hyperthermophilic archaeon aimed to enhance catalytic performance in mesophilic host cells", S. Yoshida, H. Atomi, and T. Imanaka, Appl. Environ.Microbiol., in press [PubMed]
  
• "A novel ADP-forming succinyl-CoA synthetase in Thermococcus kodakaraensis structurally related to the archaeal NDP-forming acetyl-CoA synthetases", K. Shikata, T. Fukui, H. Atomi, and T. Imanaka, J. Biol. Chem., 282(37):26963-26970 (2007) [PubMed]
  
• "Methionine sulfoxide reductase from the hyperthermophilic archaeon Thermococcus kodakaraensis, an enzyme designed to function at sub-optimal growth temperatures", E. Fukushima, Y. Shinka, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 189(19):7134-7144 (2007) [PubMed]
  
• "Crystal structures of [NiFe] hydrogenise maturation proteins HypC and HypD, and HypE: Insights into cyanation reaction by thiol redox signaling", S. Watanabe, R. Matsumi, T. Arai, H. Atomi,T. Imanaka, and K. Miki, Mol. Cell, 27(1):29-40(2007) [PubMed]
  
• "Crystallization and preliminary X-ray crystallographic studies of the [NiFe] hydrogenise maturation proteins HypC and HypD", S. Watanabe, R. Matsumi, H. Atomi,T. Imanaka, and K. Miki, Acta Crystallogrhaph. Sect. F., 63(Pt6):538-541(2007) [PubMed]
  
• "Atomic force microscopy dissects the hierarchy of genome architectures in eukaryote, prokaryote, and chloroplast", R.L. Ohniwa, K. Morikawa, J. Kim, T. Kobori, K. Hizume, R. Matsumi, H. Atomi, T. Imanaka, T.Ohta, C. Wada, S.H. Yoshimura, and K. Takeyasu, Microsc. Microanal., 13, 3-12 (2007)[PubMed]
  
• "Archaeal Type III Rubiscos function in a pathway for AMP metabolism", T. Sato, H. Atomi, and T. Imanaka, Science, 315(5814): 1003-1006 (2007) [Science HP][PubMed]
  
• "Disruption of a sugar transporter gene cluster in a hyperthermophilic archaeon using a host/marker system based on antibiotic resistance", R. Matsumi, K. Manabe, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 189(7):2683-2691(2007) [PubMed]
  
• "A highly productive system for cell-free protein synthesis using a lysate of the hyperthermophilic archaeon, Thermococcus kodakaraensis", T. Endoh, T. Kanai, and T. Imanaka, Appl. Microbiol. Biotechnol., 74(5):1153-1161(2007) [PubMed]

• "Phosphoenolpyruvate synthase plays an essential role for glycolysis in the modified Embden-Meyerhof pathway in Thermococcus kodakarensis", H. Imanaka, A. Yamatsu, T. Fukui, H. Atomi, and T. Imanaka, Mol. Microbiol., 61(4):898-909 (2006) [PubMed]
  
• "A novel branching enzyme of the GH-57 family in the hyperthermophilic archaeon, Thermococcus kodakaraensis KOD1", T. Murakami, T. Kanai, H. Takata, T. Kuriki, and T. Imanaka, J. Bacteriol., 188(16):5915-5924 (2006) [PubMed]
  
• "The ribulose monophosphate pathway substitutes for the missing pentose phosphate pathway in the archaeon Thermococcus kodakaraensis", I. Orita, T. Sato, H. Yurimoto, N. Kato, H. Atomi, T. Imanaka, and Y. Sakai, J. Bacteriol., 188(13): 4698-4706 (2006) [PubMed]
  
• "Cell-free protein synthesis at high temperatures using the lysate of a hyperthermophile", T. Endoh, T. Kanai, Y. T. Sato, D. V. Liu, K. Yoshikawa, H. Atomi, and T. Imanaka, J. Biotechnol., 126(2): 186-195 (2006) [PubMed]
  
• "Identification of the amino acid residues essential for proteolytic activity in an archaeal signal peptide peptidase", R. Matsumi, H. Atomi, and T. Imanaka, J. Biol. Chem., 281(15): 10533-10539 (2006) [PubMed]
  
• "Phototrophic growth of a Rubisco-deficient mesophilic purple nonsulfur bacterium harboring a Type III Rubisco from a hyperthermophilic archaeon.", S. Yoshida, M. Inui, H. Yukawa, T. Kanao, K. Tomizawa, H. Atomi, and T. Imanaka, J. Biotechnol., 124(3): 532-544 (2006) [PubMed]
  
• "Crystal structure of intein homing endonuclease II encoded in DNA polymerase gene from hyperthermophilic archaeon Thermococcus kodakaraensis strain KOD1" H. Matsumura, H. Takahashi, T. Inoue, T. Yamamoto, H. Hashimoto, M. Nishioka, S. Fujiwara, M. Takagi, T. Imanaka, and Y. Kai, Proteins, 63(3): 711-715 (2006) [PubMed]

• "Biochemical properties of a putative signal peptide peptidase from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1" R. Matsumi, H. Atomi, and T. Imanaka, J. Bacteriol., 187(20): 7072-7080 (2005) [PubMed]
  
• "Characterization of a novel glucosamine-6-phosphate deaminase from a hyperthermophilic archaeon" T. Tanaka, F. Takahashi, T. Fukui, S. Fujiwara, H. Atomi, and T. Imanaka, J. Bacteriol., 187(20): 7038-7044 (2005) [PubMed]
  
• "Unfolding mechanism of a hyperthermophilic protein O⁶-methylguanine-DNA methyltransferase", S. Nishikori, K. Shiraki, S. Fujiwara, T. Imanaka and M. Takagi, Biophys Chem., 116(2):97-104 (2005) [PubMed]
  
• "Structural mechanism for coordination of proofreading and polymerase activities in archaeal DNA polymerases" T. Kuroita, H. Matsumura, N. Yokota, M. Kitabayashi, H. Hashimoto, T., Inoue, T. Imanaka, and Y. Kai, J. Mol. Biol., 351(2) :291-298 (2005) [PubMed]
  
• "Expression of acetylcholine (ACh) and ACh-synthesizing activity in Archaea", T. Yamada, T. Fujii, T. Kanai, T. Amo, T. Imanaka, H. Nishimasu, T. Wakagi, H. Shoun, M. Kamekura, Y. Kamagata, T. Kato, and K. Kawashima, Life Sci., 77(16):1935-1944 (2005) [PubMed]
  
• "Structure of RadB recombinase from a hyperthermophilic archaeon, Thermococcus kodakaraensis KOD1: An implication for the formation of a near-seven-fold helical assembly", T. Akiba, N. Ishii, N. Rashid, M. Morikawa, T. Imanaka, and K. Harata, Nucleic Acids Res., 33(10), 3412-3423 (2005) [PubMed]
  
• "Thermodynamic and enzymolgical characterization of type II isopentenyl diphosphate isomerase from hyperthermophilic archaeon",M. A. Siddiqui, A. Yamanaka, K. Hirooka, T. Bamaba, A. Kobayashi, T. Imanaka, E. Fukusaki, and S. Fujiwara, Biochem. Biophys. Res. Commun., 331(4):1127-36 (2005) [PubMed]
  
• "Improved and versatile transformation system allowing multiple genetic manipulations of the hyperthermophilic archaeon Thermococcus kodakaraensis", T. Sato, T. Fukui, H. Atomi, and T. Imanaka, Appl. Environ. Microbiol., 71(7):3889-3899 (2005) [PubMed]
  
• "Complete genome sequence of the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1 and comparison with Pyrococcus Genomes", T. Fukui, H. Atomi, T. Kanai, R. Matsumi, S. Fujiwara, and T. Imanaka, Genome Res., 15(3), 352-363 [PubMed]
  
• "Characterization of an archaeal malic enzyme from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", W. Fukuda, Y. S. Ismail, T. Fukui, H. Atomi, and T. Imanaka, Archaea, 1(5):293-301 (2005) [PubMed] [Archaea HP]
  
• "Continuous hydrogen production by the hyperthermophilic archaeon, Thermococcus kodakaraensis KOD1", T. Kanai, H. Imanaka, A. Nakajima, K. Uwamori, Y. Omori, T. Fukui, H. Atomi, and T. Imanaka, J. Biotechnol., J. Biotechnol., 116(3), 271-282 [PubMed]
  

• "Temperature dependent modulation of farnesyl diphosphate/geranylgeranyl diphosphate synthase from hyperthermophilic archaea", S. Fujiwara, A. Yamanaka, K. Hirooka, A. Kobayashi, T. Imanaka, and E. Fukusaki, Biochem. Biophys. Res. Commun., 325, 1066-1074 (2004) [PubMed]
• "On-site manipulation of single whole-genome DNA molecules using optical tweezers", H. Oana, K. Kubo, K. Yoshikawa, H. Atomi, and T. Imanaka, Appl. Phys. Lett., 85, 5090-5092 (2004) [OJPS]
  
• "Among multiple phosphomannomutase orthologues, only one gene encodes a protein with phosphoglucomutase and phosphomannomutase activities in Thermococcus kodakaraensis", N. Rashid, T. Kanai, H. Atomi, and T. Imanaka, J. Bacteriol., 186, 6070-6076 (2004) [PubMed]
  
• "Genetic evidence identifying the true gluconeogenic fructose-1,6-bisphosphatase in Thermococcus kodakaraensis and other hyperthermophiles", T. Sato, H. Imanaka, N. Rashid, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 186, 5799-5807 (2004) [PubMed]
  
• "Concerted action of diacetylchitobiose deacetylase and exo-b-D-glucosaminidase in a novel chitinolytic pathway in the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", T. Tanaka, T. Fukui, S. Fujiwara, H. Atomi, and T. Imanaka, J. Biol. Chem., 279, 30021-30027 (2004) [PubMed]
  
• "Reverse gyrase is not a prerequisite for hyperthermophilic life", H. Atomi, R. Matsumi, and T. Imanaka, J. Bacteriol., 186, 4829-4833 (2004) [PubMed]
  
• "Presence of a novel phosphopentomutase and a 2-deoxyribose 5-phosphate aldolase reveals a metabolic link between pentoses and central carbon metabolism in the hyperthermophilic archaeon Thermococcus kodakaraensis", N. Rashid, H. Imanaka, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 186, 4185-4191 (2004) [PubMed]
  
• "First characterization of an archaeal GTP-dependent phosphoenolpyruvate carboxykinase from the hyperthermophilic archaeon, Thermococcus kodakaraensis KOD1", W. Fukuda, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 186, 4620-4627 (2004) [PubMed]
  
• "Description of Thermococcus kodakaraensis sp. nov., a well studied hyperthermophilic archaeon previously reported as Pyrococcus sp. KOD1", H. Atomi, T. Fukui, T. Kanai, M. Morikawa, and T. Imanaka, Archaea, 1, 263-267 (2004) [Archaea HP]
  
• "Equilibrium and kinetic stability of a hyperthermophilic protein, O6-methylguanine-DNA methyltransferase under various extreme conditions", S. Nishikori, K. Shiraki, M. Okanojo, T. Imanaka, M. Takagi, J. Biochem., 136, 503-508 (2004) [PubMed]
  
• "Mutational effects on O6-methylguanine-DNA methyltransferase from hyperthermophile: Contribution of ion-pair network to protein thermostability", S. Nishikori, K. Shiraki, K. Yokota, N. Izumikawa, S. Fujiwara, H. Hashimoto, T. Imanaka, M. Takagi, J. Biochem., 135, 525-532 (2004) [PubMed]
  
• "Biophysical analysis of heat-induced structural maturation of glutamate dehydrogenase from a hyperthermophilic archaeon", N. Izumikawa, K. Shiraki, S. Nishikori, S. Fujiwara, T. Imanaka, and M. Takagi, J. Biosci. Bioeng., 97, 305-309 (2004) [J-Stage]
  
• "Contribution of protein-surface ion pairs of a hyperthermophilic protein on thermal and thermodynamic sability", K. Shiraki, S. Nishikori, S. Fujiwara, T. Imanaka, and M. Takagi, J. Biosci. Bioeng., 97, 75-77 (2004) [J-Stage]
  

2003

• "Gene cloning and function analysis of replication factor C from Thermococcus kodakaraensis KOD1", M. Kitabayashi, Y. Nishiya, M. Esaka, M. Itakura, and T. Imanaka, Biosci. Biotechnol. Biochem., 67, 2378-2380 (2003) [PubMed]
  
• "Genetic, enzymatic, and structural analyses of phenylalanyl-tRNA synthetase from Thermococcus kodakaraensis KOD1", K. Shiraki, M. Tsuji, Y. Hashimoto, K. Fujimoto, S. Fujiwara, M. Takagi, and T. Imanaka, J. Biochem., 134, 567-574 (2003) [PubMed]
  
• "Characterization of an exo-b-D-glucosaminidase involved in a novel chitinolytic pathway from the hyperthermophilic archaeon Thermococcus kodakaraensis", T. Tanaka, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 185, 5175-5181 (2003) [PubMed]
  
• "Surface histidine residue of archaeal histone affects DNA compaction and thermostability", H. Higashibata, M. Siddiqui, T. Masahiro, I. Tadayuki, and S. Fujiwara, FEMS Microbiol. Lett., 224, 17-22 (2003) [PubMed]
  
• "Characterization of a cytosolic NiFe-hydrogenase from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", T. Kanai, S. Ito, and T. Imanaka, J. Bacteriol., 185, 1705-1711 (2003) [PubMed]
  
• "Targeted gene disruption by homologous recombination in the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", T. Sato, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 185, 210-220 (2003) [PubMed]
  

2002

• "Gene cloning and polymerase chain reaction with proliferating cell nuclear antigen from Thermococcus kodakaraensis KOD1", M. Kitabayashi, Y. Nishiya, M. Esaka, M. Itakura, and T. Imanaka, Biosci. Biotechnol. Biochem., 66, 2194-2200 (2002) [PubMed]
  
• "Gene cloning and characterization of fructose-1,6-bisphosphate aldolase from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", H. Imanaka, T. Fukui, H. Atomi, and T. Imanaka, J. Biosci. Bioeng., 94, 237-243 (2002) [J-Stage]
  
• "Tk-PTP, protein tyrosine/serine phosphatase from hyperthermophilic archaeon Thermococcus kodakaraensis KOD1: Enzymatic characteristics and identification of its substrate proteins", S.-J. Jeon, S. Fujiwara, M. Takagi, T. Tanaka, and T. Imanaka, Biochem. Biophys. Res. Commun., 295, 508-514 (2002) [PubMed]
  
• "The unique pentagonal structure of an archaeal Rubisco is essential for its high thermostability", N. Maeda, T. Kanai, H. Atomi, and T. Imanaka, J. Biol. Chem., 277, 31656-31662 (2002) [PubMed]
• "A novel candidate for the true fructose 1,6-bisphosphatase in archaea", N. Rashid, H. Imanaka, T. Kanai, T. Fukui, H. Atomi, T. Imanaka, J. Biol. Chem., 277, 30649-30655 (2002) [PubMed]
• "A membrane-bound archaeal Lon protease displays ATP-independent proteolytic activity towards unfolded proteins along with ATP-dependent activity for folded proteins", T. Fukui, T. Eguchi, H. Atomi, and T. Imanaka, J. Bacteriol., 184, 3689-3698 (2002) [PubMed]
  
• "Catalyzing "Hot" reactions: Enzymes from hyperthermophilic archaea", T. Imanaka and H. Atomi, The Chemical Record, 2, 149-163 (2002) [PubMed]
  
• "Substrate recognition and fidelity of strand joining by an archaeal DNA ligase", M. Nakatani, S. Ezaki, H. Atomi, and T. Imanaka, Eur. J. Biochem., 269, 650-656 (2002) [PubMed]
  
• "Characterization of an archaeal cyclodextrin glucanotransferase with a novel C-terminal domain", N. Rashid, J. Cornista, S. Ezaki, T. Fukui, H. Atomi, and T. Imanaka, J. Bacteriol., 184, 777-784 (2002) [PubMed]

2001

• "Conformational stability of a hyperthermophilic protein in various conditions for denaturation", K. Shiraki, S. Fujiwara, T. Imanaka, and M. Takagi, Electrochemistry, 69, 949-952 (2001)
  
• "Different cleavage specificities of the dual catalytic domains in chitinase from the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1", T. Tanaka, T. Fukui, and T. Imanaka, J. Biol. Chem., 276, 35629-35635 (2001) [PubMed]
  
• "Active subtilisin-like protease from a hyperthermophilic aechaeon in a form with a putative prosequence" , Y. Kannan, Y. Koga, Y. Inoue, M. Haruki, M. Takagi, T. Imanaka, M. Morikawa, and S. Kanaya, Appl. Environ. Microbiol., 67, 2445-2452 (2001) [PubMed]
  
• "Interaction of TIP26 from a hyperthermophilic archaeon with TFB/TBP/DNA complex", T. Matsuda, M. Fujikawa, M. Haruki, X.F. Tang, S. Ezaki, T. Imanaka, M. Morikawa, and S. Kanaya, Extremophiles, 5, 177-182 (2001) [PubMed]
  
• "Comparative analyses of the conformational stability of a hyperthermophilic protein and its mesophilic counterpart", K. Shiraki, S. Nishikori, S. Fujiwara, H. Hashimoto, Y. Kai, M. Takagi, and T. Imanaka, Eur. J. Biochem., 268, 4144-4150 (2001) [PubMed]
  
• "Crystal structure of a novel-type archaeal Rubisco with pentagonal symmetry", K. Kitano, N. Maeda, T. Fukui, H. Atomi, T. Imanaka, K. Miki, Structure, 9, 473-481 (2001) [PubMed]
  
• "Methylguanine methyltransferase from Thermococcus kodakaraensis KOD1", M. Takagi, Y. Kai, and T. Imanaka, Methods Enzymol., 334, 239-248 (2001) [PubMed]
  
• "RecA/Rad51 homolog from Thermococcus kodakaraensis KOD1", N. Rashid, M. Morikawa, S. Kanaya, H. Atomi, and T. Imanaka, Methods Enzymol., 334, 261-270 (2001) [PubMed]
  
• "Chaperonin from Thermococcus kodakaraensis KOD1", S. Fujiwara, M. Takagi, and T. Imanaka, Methods Enzymol., 334, 293-301 (2001) [PubMed]
  
• "Evolution of PCR Enzymes: Towards a better PCR system based on a KOD DNA polymerase", T. Imanaka and M. Takagi, J. Chin. Inst. Chem. Engrs., 32, 277-288 (2001)
  
• "Long and accurate PCR with a mixture of KOD DNA polymerase and its exonuclease deficient mutant enzyme", M. Nishioka, H. Mizuguchi, S. Fujiwara, S. Komatsubara, M. Kitabayashi, H. Uemura, M. Takagi, and T. Imanaka, J. Biotechnol., 88, 141-149 (2001) [PubMed]
  
• "Ribulose 1,5-bisphosphate carboxylase/oxygenase from Thermococcus kodakaraensis KOD1", H. Atomi, S. Ezaki, and T. Imanaka, Methods Enzymol., 331, 353-365 (2001) [PubMed]
  
• "Anthranilate synthase without an LLES motif from a hyperthermophilic archaeon is inhibited by tryptophan", X.-F. Tang, S. Ezaki, H. Atomi and T. Imanaka, Biochem. Biophys. Res. Commun., 281, 858-865 (2001) [PubMed]
  
• "Chitinase from Thermococcus kodakaraensis KOD1", T. Imanaka, T. Fukui and S. Fujiwara, Methods Enzymol., 330, 319-329 (2001) [PubMed]
  
• "Thiol protease from Thermococcus kodakaraensis KOD1", M. Morikawa and T. Imanaka, Methods Enzymol., 330, 424-33 (2001) [PubMed]
  
• "Crystal structure of DNA polymerase from hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1", H. Hashimoto, M. Nishioka, S. Fujiwara, M. Takagi, T. Imanaka, T. Inoue, Y. Kai. J. Mol. Biol., 306, 469-77 (2001) [PubMed]
  
• "Two kinds of archaeal chaperonin with different temperature dependency from a hyperthermophile", M. Izumi, S. Fujiwara, M. Takagi, K. Fukui and T. Imanaka, Biochem. Biophys. Res. Commun., 280, 581-587 (2001) [PubMed]
  
• "Utilization of immobilized archaeal chaperonin for enzyme stabilization", M. Izumi, S. Fujiwara, M. Takagi, K. Fukui and T. Imanaka, J. Biosci. Bioeng., 91, 316-318 (2001) [J-Stage]
  
• "Unique nucleoid structure during cell division of Thermococcus kodakaraensis KOD1", S.-J. Jeon, S. Fujiwara, M. Takagi, K. Fukui and T. Imanaka, J. Biosci. Bioeng., 91, 40-43 (2001) [J-Stage]
  

2000

• "A DNA ligase from a hyperthermophilic archaeon with unique cofactor specificity", M. Nakatani, S. Ezaki, H. Atomi and T. Imanaka, J. Bacteriol., 182, 6424-6433 (2000) [PubMed]
  
• "Biochemical analysis of a thermostable tryptophan synthase from a hyperthermophilic archaeon", X.-F. Tang, S. Ezaki, H. Atomi and T. Imanaka, Eur. J. Biochem., 267, 6369-6377 (2000) [PubMed]
  
• "Crystallographic study of intein homing endonuclease II encoded in the archaeal DNA polymerase gene", H. Hashimoto, H. Takahashi, M. Nishioka, S. Fujiwara, M. Takagi, T. Imanaka, T. Inoue and Yasushi Kai, Acta Crystallogr. D Biol. Crystallogr., 56, 1185-1186 (2000) [PubMed]
  
• "Acceptor specificity of 4-a-glucanotransferase from Pyrococcus kodakaraensis KOD1, and synthesis of cycloamylose", Y. Tachibana, T. Takaha, S. Fujiwara, M. Takagi and T. Imanaka, J. Biosci. Bioeng., 90, 406-409 (2000) [J-Stage]
  
• "Characterization of FtsZ homolog from hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1", K. Nagahisa, T. Nakamura, S. Fujiwara, T. Imanaka, and M. Takagi, J. Biosci. Bioeng., 89, 181-187 (2000)
  
• "Effect of polyamines on histone-induced DNA compaction of hyperthermophilic archaea", H. Higashibata, S. Fujiwara, S. Ezaki, M. Takagi, K. Fukui, and T. Imanaka, J. Biosci. Bioeng., 89, 103-106 (2000)
  
• "Crystallization and preliminary X-ray study of Pk-REC from a hyperthermophilic archaeon, Pyrococcus kodakaraensis KOD1", K. Harata, N. Ishii, N. Rashid, M. Morikawa and T. Imanaka, Acta Crystallogr. D Biol. Crystallogr., 56, 648-649 (2000) [PubMed]
  

• "A unique chitinase with dual active sites and triple substrate binding sites from hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1", T. Tanaka, S. Fujiwara, S. Nishikori, T. Fukui, M. Takagi and T. Imanaka, Appl. Environ. Microbiol., 65, 5338-5344 (1999) [PubMed]
  
• "The tryptophan biosynthesis gene cluster trpCDEGFBA from Pyrococcus kodakaraensis KOD1 is regulated at the transcriptional level and expressed as a single mRNA", X.-F. Tang, S. Ezaki, S. Fujiwara, M. Takagi, H. Atomi and T. Imanaka, Mol. Gen. Genet., 262, 815-821 (1999) [PubMed]
  
• "Hyperthermostable protein structure maintained by intra and inter-helix ion-pairs in archaeal O⁶-methylguanine-DNA methyltransferase", H. Hashimoto, T. Inoue, M. Nishioka, S. Fujiwara, M. Takagi, T. Imanaka and Y. Kai, J. Mol. Biol., 292, 707-716 (1999) [PubMed]
  
• "Analysis of DNA compaction profile and intracellular contents of archaeal histones from Pyrococcus kodakaraensis KOD1", H. Higashibata, S. Fujiwara, M. Takagi and T. Imanaka, Biochem. Biophys. Res. Commun., 258, 416-424 (1999) [PubMed]
  
• "A Unique DNase activity shares the active site with ATPase activity of RecA/Rad51 homologue (Pk-REC) from a hyperthermophilic archaeon", N. Rashid, M. Morikawa, S. Kanaya, H. Atomi and T. Imanaka, FEBS Lett., 445, 111-114 (1999) [PubMed]
  
• "Crystallographic studies on family B DNA polymerase from hyperthermophilic archaeon Pyrococcus kodakaraensis strain KOD1", H. Hashimoto, T. Matsumoto, M. Nishioka, T. Yuasa, S. Takeuchi, T. Inoue, S. Fujiwara, M. Takagi, T. Imanaka and Y. Kai, J. Biochem., 125, 983-986 (1999) [PubMed]
  
• "Characterization and application for hot start PCR of neutralizing monoclonal antibodies against KOD DNA polymerase", H. Mizuguchi, M. Nakatsuji, S. Fujiwara, M. Tagaki and T. Imanaka, J. Biochem., 126, 762-768 (1999) [PubMed]
  
• "Ribulose bisphosphate carboxylase/oxygenase from the hyperthermopholic archaeon Pyrococcus kodakaraensis KOD1 is composed solely of large subunits and forms a pentagonal strucuture", N. Maeda, K. Kitano, T. Fukui, S. Ezaki, H. Atomi, K. Miki and T. Imanaka, J. Mol. Biol., 293, 57-66 (1999) [PubMed]
  
• "Isolation of TBP-interacting protein (TIP) from a hyperthermophilic archaeon that inhibits the binding of TBP to TATA-DNA", T. Matsuda, M. Morikawa, M. Haruki, H. Higashibata, T. Imanaka and S. Kanaya, FEBS Lett., 457, 38-42 (1999) [PubMed]
  
• "Sequence and transcriptional studies of five clustered flagellin genes from hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1", K. Nagahisa, S. Ezaki, S. Fujiwara, T. Imanaka and M. Takagi, FEMS Microbiol. Lett., 178, 183-190 (1999) [PubMed]
  
• "Isolation and characterization of a second subunit of molecular chaperonin from Pyrococcus kodakaraensis KOD1: Analysis of ATPase deficient mutant", M. Izumi, S. Fujiwara, M. Takagi, S. Kanaya and T. Imanaka, Appl. Environ. Microbiol., 65, 1801-1805 (1999) [PubMed]
  
• "Pk-cdcA, encodes a CDC48/VCP homologue in the hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1: transcriptional and enzymatic characterization", S. J. Jeon, S. Fujiwara, M. Takagi and T. Imanaka, Mol. Gen. Genet., 262, 559-567 (1999) [PubMed]
  
• "Presence of a structurally novel type ribulose-bisphosphate carboxylase/oxygenase in the hyperthermophilic archaeon, Pyrococcus kodakaraensis KOD1", S. Ezaki, N. Maeda, T. Kishimoto, H. Atomi and T. Imanaka, J. Biol. Chem., 274, 5078-5082 (1999) [PubMed]
  
• "Gene analysis and enzymatic properties of thermostable b-glycosidase from Pyrococcus kodakaraensis KOD1", S. Ezaki, K. Miyaoku, K. Nishi, T. Tanaka, S. Fujiwara, M. Takagi, H. Atomi and T. Imanaka, J. Biosci. Bioeng., 88, 130-135 (1999)

• "Crystallization and preliminary X-ray crystallographic analysis of archaeal O⁶-methylguanine-DNA methyltransferase", H. Hashimoto, M. Nishioka, T. Inoue, S. Fujiwara, M. Takagi, T. Imanaka and Y. Kai, Acta Crystallographica, D54, 1395-1396 (1998) [PubMed]
  
• "Archaeon Pyrococcus kodakaraensis KOD1: Application and evolution", S. Fujiwara, M. Takagi and T. Imanaka, Biotechnol. Annu. Rev., 4, 259-284 (1998) [PubMed]
  
• "Gene cloning and characterization of recombinant RNase HII from a hyperthermophilic archaeon", M. Haruki, K. Hayashi, T. Kochi, A. Muroya, Y. Koga, M. Morikawa, T. Imanaka and S. Kanaya, J. Bacteriol., 180, 6207-6214 (1998) [PubMed]
  
• "In vitro heat effect on heterooligomeric subunit assembly of thermostable indolepyruvate ferredoxin oxidoreductase", M.A. Siddiqui, S. Fujiwara, M. Takagi and T. Imanaka, FEBS Lett., 434, 372-376 (1998) [PubMed]
  
• "Thermostable glycerol kinase from a hyperthermophilic archaeon: gene cloning and characterization of the recombinant enzyme", Y. Koga, M. Morikawa, M. Haruki, H. Nakamura, T. Imanaka and S. Kanaya, Protein Eng., 11, 1219-1227, (1998) [PubMed]
  
• "Ion pairs involved for maintaining a thermastable structure of glutamate dehydrogenase (GDH) from a hyperthemophilic archaeon", R. N. Z. A. Rahman, S. Fujiwara, H. Nakamura, M. Takagi and T. Imanaka, Biochem. Biophys. Res. Commun., 248, 920-926 (1998) [PubMed]
  
• "Sequence analysis of glutamate dehydrogenase (GDH) from the hyperthermophilic archaeon Pyrococcus sp. KOD1 and comparison of enzyme characteristics of native and recombinant GDHs", R. N. Z. A. Rahman, S. Fujiwara, M. Takagi and T. Imanaka, Mol. Gen. Genet., 257, 338-347 (1998) [PubMed]
  
• "The O⁶-methylguanine-DNA methyltransferase from a hyperthermophilic archaeon Pyrococcus sp. KOD1: A thermostable repair enzyme", M. M. Leclere, M. Nishioka, T. Yuasa, T. Fujiwara, S. Takagi and T. Imanaka, Mol. Gen. Genet., 258, 69-77 (1998) [PubMed]
  
• "Characterization of two intein homing endonucleases encoded in the DNA polymerase gene from Pyrococcus kodakaraensis strain KOD1", M. Nishioka, S. Fujiwara, M. Takagi and T. Imanaka, Nucleic Acids Res., 26, 4409-4412 (1998) [PubMed]
  
• "Phylogenetic analysis and effect of heat on conformational change of ferredoxin from hyperthermophilic archaeon Pyrococcus sp. KOD1", M. A. Siddiqui, S. Fujiwara, M. Takagi and T. Imanaka, J. Ferment. Bioeng., 85, 271-277 (1998)
  
• "Crystal structure of aspartyl-tRNA synthetase from Pyrococcus kodakaraensis KOD; archaeon specificity and catalytic mechanism of adenylate formation", E. Schmitt, L. Moulinier, S. Fujiwara, T. Imanaka, J. Thierry and D. Moras, EMBO J., 17, 5227-5237 (1998) [PubMed]
  
• "Comparison of two glutamate producing enzymes from the hyperthermophilic archaeon Pyrococcus sp. KOD1", B. Jongsareejit, S. Fujiwara, M. Takagi and T. Imanaka, FEMS Microbiol. Lett., 158, 243-248 (1998) [SD]
  

• "Cloning and expression of the 4-a-glucanotransferase gene from the hyperthermophilic archaeon Pyrococcus sp. KOD1, and characterization of the enzyme", Y. Tachibana, S. Fujiwara, M. Takagi and T. Imanaka, J. Ferment. Bioeng., 83, 540-548 (1997)
  
• "Gene cloning, sequencing and enzymatic properties of glutamate synthase from the hyperthermophilic archaeon Pyrococcus sp. KOD1", B. Jongsareejit, S. Fujiwara and T. Imanaka, Mol. Gen. Genet., 254, 635-642 (1997) [PubMed]
  
• "Effect of heat treatment on proper oligomeric structure formation of thermostable glutamate dehydrogenase from a hyperthermophilic archaeon", R. N. Z. A. Rahman, S. Fujiwara, M. Takagi, S. Kanaya and T. Imanaka, Biochem. Biophys. Res. Commun., 241, 646-652 (1997) [PubMed]
  
• "Gene cloning and sequence analysis of cobyric acid synthase and cobalamin (5'-phosphate) synthase from hyperthermophilic archaeon Pyrococcus sp. KOD1", R. N. Z. A. Rahman, S. Fujiware and T. Imanaka, J. Ferment. Bioeng., 83, 109-112 (1997)
  
• "Characterization of a RecA/RAD51 homologue from the hyperthermophilic archaeon Pyrococcus sp. KOD1", N. Rashid, M. Morikawa, K. Nagahisa, S. Kanaya and T. Imanaka, Nucleic Acids Res., 25, 719-726 (1997) [PubMed]
  
• "Characterization of recombinant glutamine synthetase from the hyperthermophilic archaeon Pyrococcus sp. strain KOD1", R. N. Z. A. Rahman, B. Jongsareejit, S. Fujiwara and T. Imanaka, Appl. Environ. Microbiol., 63, 2472-2476 (1997) [PubMed]
  
• "Indolepyruvate ferredoxin oxidoreductase from Pyrococcus sp. KOD1 possesses a mosaic structure showing features of various oxidoreductases", M. A. Siddiqui, S. Fujiwara and T. Imanaka, Mol. Gen. Genet., 254, 433-439 (1997) [PubMed]
  
• "Gene cloning and characterization of recombinant ribose phosphate pyrophosphokinase from a hyperthermophilic archaeon", N. Rashid, M. Morikawa and T. Imanaka, J. Ferment. Bioeng., 83, 412-418 (1997)
• "Characterization of DNA polymerase from Pyrococcus sp. strain KOD1 and its application to PCR", M. Takagi, M. Nishioka, H. Kakihara, M. Kitabayashi, H. Inoue, B. Kawakami, M. Oka and T. Imanaka, Appl. Environ. Microbiol., 63, 4504-4510 (1997) [PubMed]
  
• "In vitro stabilization and in vivo solubilization of foreign proteins by the b subunit of a chaperonin from the hyperthermophilic archaeon Pyrococcus sp. strain KOD1", Z. Yan, S. Fujiwara, K. Kohda, M. Takagi and T. Imanaka, Appl. Environ. Microbiol., 63, 785-789 (1997) [PubMed]
  

• "The world of archaea: Genome analysis, evolution, and thermostable enzymes", S. Fujiwara, S. Okuyama and T. Imanaka, Gene, 179, 165-170 (1996) [PubMed]
  
• "Unusual enzyme characteristics of aspartyl-tRNA synthetase from hyperthermophilic archaeon Pyrococcus sp. KOD1", S. Fujiwara, S. Lee, S. Kanaya, M. Takagi and T. Imanaka, FEBS Lett., 394, 66-70 (1996) [PubMed]
  
• "Cloning and expression of the a-amylase gene from the hyperthermophilic archaeon Pyrococcus sp. KOD1, and characterization of the enzyme", Y. Tachibana, M. M. Leclere, S. Fujiwara, M. Takagi and T. Imanaka, J. Ferment. Bioeng., 82, 224-232 (1996)
  
• "A RecA/RAD51 homologue from a hyperthermophilic archaeon retains the major RecA domain only", N. Rashid, M. Morikawa and T. Imanaka, Mol. Gen. Genet., 253, 397-400 (1996) [PubMed]
  

• "Asparty1-tRNA synthetase of the hyperthermophilic archaeon Pyrococcus sp. KOD1 has a chimerical structure of eukaryotic and bacterial enzymes", T. Imanaka, S. Lee, M. Takagi and S. Fujiwara, Gene, 164, 153-156 (1995) [PubMed]
  
• "An abnormally acidic TATA-binding protein from a hyperthermophilic archaeon", N. Rashid, M. Morikawa and T. Imanaka, Gene, 166, 139-143 (1995) [PubMed]
  

• "Purification and characterization of a thermostable thiol protease from a newly isolated hyperthermophilic Pyrococcus sp.", M. Morikawa, Y. Izawa, N. Rashid, T. Hoaki and T. Imanaka, Appl. Environ. Microbiol., 60, 4559-4566 (1994) [PubMed]